The BSE benchmark Sensex was trading 58 points up at 18051 in noon trade on Tuesday after regaining the 18000 points level in opening trade. The 30-share index of the Bombay Stock Exchange, which had lost 332 points in the previous session, had recovered 113 points in the first few minutes of trade on Tuesday. The wide-based National Stock Exchange Nifty index also traded 16 points up to 5402.